Glad it was of use, I don't have a George Adams lathe but have a German Pittler which was probably sold via George Adams as UK agents.
Looking at those prices you have to take into account many workers were paid equal to £135 per year for a 50 hour week!
I remember my Grandad in 1951 only had electric light but no wall sockets, any electric items inc the wireless were plugged in there so many home engineers would use a treadle